/*

*** This do file creates the replication results for 

Is the internet really new after all? The determinants of telecommunications diffusion in historical perspective (with Richard Perkins), The Professional Geographer, 63 (1) 2011, pp. 55-72

Eric Neumayer (LSE)																			

Please report any errors to e.neumayer@lse.ac.uk

*/

use "Article for PG (telecomm).dta", replace


* Table 2
xtreg internetuserspcigrowth llninternetuserspc  lngdppcpppconst primaryenrol polcon5   tradetogdp  year_dum195-year_dum206 , re robust
xtreg   mailitemspcgrowth llnmailitemspc lngdppcmaddison primstudentspc polcon3 trade1990gdp year_dum75-year_dum196 , re robust
xtreg   telegramspcgrowth llntelegramspc lngdppcmaddison primstudentspc polcon3 trade1990gdp  year_dum75-year_dum173 if year<1970, re robust
xtreg   telephonespcgrowth llntelephonespc lngdppcmaddison primstudentspc polcon3 trade1990gdp  year_dum95-year_dum196 , re robust

* Table 3
xtreg internetuserspcigrowth llninternetuserspc  lngdppcpppconst primaryenrol polcon5   tradetogdp  year_dum195-year_dum206 , fe robust
xtreg   mailitemspcgrowth llnmailitemspc lngdppcmaddison primstudentspc polcon3 trade1990gdp year_dum75-year_dum196 , fe robust
xtreg   telegramspcgrowth llntelegramspc lngdppcmaddison primstudentspc polcon3 trade1990gdp  year_dum75-year_dum173 if year<1970, fe robust
xtreg   telephonespcgrowth llntelephonespc lngdppcmaddison primstudentspc polcon3 trade1990gdp  year_dum95-year_dum196 , fe robust

* Table 4
xtabond  lninternetuserspc lngdppcpppconst primaryenrol polcon5  year_dum195-year_dum206 , robust maxldep(11) maxlags(11) pre(tradetogdp, endog)
estat abond

xtabond  lnmailitemspc lngdppcmaddison primstudentsipc polcon3 year_dum75-year_dum196 , robust maxldep(11) maxlags(11) pre(trade1990gdp, endog)
estat abond

xtabond  lntelegramspc lngdppcmaddison primstudentspc polcon3 year_dum75-year_dum173 if year<1970, robust maxldep(11) maxlags(11) pre(trade1990gdp, endog)
estat abond

xtabond  lntelephonespc lngdppcmaddison primstudentspc polcon3 year_dum95-year_dum196 , robust maxldep(11) maxlags(11) pre(trade1990gdp, endog)
estat abond


